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Fix QObject segfaults in QML

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CURA-6599
This commit is contained in:
Lipu Fei 2019-09-25 14:38:27 +02:00
parent d1330e5ffa
commit 9ced5e9205
4 changed files with 37 additions and 6 deletions
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11
cura/Machines/QualityGroup.py
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@ -26,8 +26,17 @@ from cura.Machines.ContainerNode import ContainerNode
#
class QualityGroup(QObject):
def __init__(self, name: str, quality_type: str, parent = None) -> None:
def __init__(self, name: str, quality_type: str, parent: Optional["QObject"] = None) -> None:
super().__init__(parent)
# CURA-6599
# Same as QualityChangesGroup.
# For some reason, QML will get null or fail to convert type for MachineManager.activeQualityChangesGroup() to
# a QObject. Setting the object ownership to QQmlEngine.CppOwnership doesn't work, but setting the object
# parent to application seems to work.
from cura.CuraApplication import CuraApplication
self.setParent(CuraApplication.getInstance())
self.name = name
self.node_for_global = None # type: Optional[ContainerNode]
self.nodes_for_extruders = {} # type: Dict[int, ContainerNode]